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   <div id="projectname">VectSharp<span id="projectnumber">&#160;2.6.1</span>
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   <div id="projectbrief">A light library for C# vector graphics</div>
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<div class="header">
  <div class="headertitle"><div class="title">Lights.cs</div></div>
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<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">    VectSharp - A light library for C# vector graphics.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">    Copyright (C) 2020-2022 Giorgio Bianchini</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"></span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment">    This program is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment">    it under the terms of the GNU Lesser General Public License as published by</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">    the Free Software Foundation, version 3.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"></span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment">    This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">    GNU Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"></span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">    You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">    along with this program. If not, see &lt;https://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment">*/</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="keyword">using </span>System;</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="keyword">using </span>System.Collections.Generic;</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="keyword">using </span>System.Linq;</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"><a class="line" href="namespace_vect_sharp_1_1_three_d.html">   22</a></span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespace_vect_sharp_1_1_three_d.html">VectSharp.ThreeD</a></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span>{<span class="comment"></span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment">    /// Represents the intensity of a light source at a particular point.</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">   27</a></span><span class="comment"></span>    <span class="keyword">public</span> <span class="keyword">struct </span><a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">        /// The intensity of the light.</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a0a1bd53aaaf8c6982f8865aa15d686b3">   32</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_variable" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a0a1bd53aaaf8c6982f8865aa15d686b3">Intensity</a>;</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"></span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment">        /// The direction towards from which the light comes.</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a48cce97507b2b79070924c4c501c1c03">   37</a></span><span class="comment"></span>        <span class="keyword">public</span> NormalizedVector3D <a class="code hl_variable" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a48cce97507b2b79070924c4c501c1c03">Direction</a>;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"></span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment">        /// Creates a new &lt;see cref=&quot;LightIntensity&quot;/&gt;.</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment">        /// &lt;param name=&quot;intensity&quot;&gt;The intensity of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment">        /// &lt;param name=&quot;direction&quot;&gt;The direction from which the light comes.&lt;/param&gt;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#afb9013719f944c104a66ce17cc3f5eab">   44</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#afb9013719f944c104a66ce17cc3f5eab">LightIntensity</a>(<span class="keywordtype">double</span> intensity, NormalizedVector3D direction)</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span>        {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>            this.Intensity = intensity;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>            this.Direction = direction;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>        }</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"></span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment">        /// Deconstructs the struct.</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment">        /// &lt;param name=&quot;intensity&quot;&gt;This parameter will hold the &lt;see cref=&quot;Intensity&quot;/&gt; of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment">        /// &lt;param name=&quot;direction&quot;&gt;This parameter will hold the &lt;see cref=&quot;Direction&quot;/&gt; of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a01c85d1a9a8cee1d44334007f1cdc6ad">   55</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code hl_function" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a01c85d1a9a8cee1d44334007f1cdc6ad">Deconstruct</a>(out <span class="keywordtype">double</span> intensity, out NormalizedVector3D direction)</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>        {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>            intensity = this.<a class="code hl_variable" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a0a1bd53aaaf8c6982f8865aa15d686b3">Intensity</a>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>            direction = this.<a class="code hl_variable" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a48cce97507b2b79070924c4c501c1c03">Direction</a>;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>        }</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>    }</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment"></span> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment">    /// Represents a light source.</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"><a class="line" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html">   65</a></span><span class="comment"></span>    <span class="keyword">public</span> <span class="keyword">interface </span><a class="code hl_interface" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html">ILightSource</a></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment">        /// Computes the light intensity at the specified point, without taking into account any obstructions.</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">        /// &lt;param name=&quot;point&quot;&gt;The &lt;see cref=&quot;Point3DElement&quot;/&gt; at which the light intensity should be computed.&lt;/param&gt;</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">        /// &lt;returns&gt;&lt;/returns&gt;</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html#a78711e6c0ecdcdd63c60f1b283f5775c">   72</a></span><span class="comment"></span>        <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a> <a class="code hl_function" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html#a78711e6c0ecdcdd63c60f1b283f5775c">GetLightAt</a>(Point3D point);</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment"></span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">        /// Determines whether the light casts a shadow or not.</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html#a407cca0ec0c94de4cfdce86ee137f208">   77</a></span><span class="comment"></span>        <span class="keywordtype">bool</span> <a class="code hl_property" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html#a407cca0ec0c94de4cfdce86ee137f208">CastsShadow</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment"></span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment">        /// Determines the amount of obstruction of the light that results at &lt;paramref name=&quot;point&quot;/&gt; due to the specified &lt;paramref name=&quot;shadowingTriangles&quot;/&gt;.</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment">        /// &lt;param name=&quot;point&quot;&gt;The &lt;see cref=&quot;Point3D&quot;/&gt; at which the obstruction should be computed.&lt;/param&gt;</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">        /// &lt;param name=&quot;shadowingTriangles&quot;&gt;A collection of &lt;see cref=&quot;Triangle3DElement&quot;/&gt; casting shadows.&lt;/param&gt;</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">        /// &lt;returns&gt;1 if the light is completely obstructed, 0 if the light is completely visible, a value between these if the light is partially obstructed.&lt;/returns&gt;</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"><a class="line" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html#a084ddbd7d21cf83b7b4eb09b9d3461c8">   85</a></span><span class="comment"></span>        <span class="keywordtype">double</span> <a class="code hl_function" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html#a084ddbd7d21cf83b7b4eb09b9d3461c8">GetObstruction</a>(Point3D point, IEnumerable&lt;Triangle3DElement&gt; shadowingTriangles);</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>    }</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment"></span> </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment">    /// Represents a uniform ambien light source.</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html">   91</a></span><span class="comment"></span>    <span class="keyword">public</span> <span class="keyword">class </span><a class="code hl_class" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html">AmbientLightSource</a> : <a class="code hl_interface" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html">ILightSource</a></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment">        /// The intensity of the light.</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a303b0bca112078486a02e16d3a67788c">   96</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a303b0bca112078486a02e16d3a67788c">Intensity</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment"></span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a3552c7f470179338c20b8116c4133678">   99</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">bool</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a3552c7f470179338c20b8116c4133678">CastsShadow</a> =&gt; <span class="keyword">false</span>;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment"></span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="comment">        /// Creates a new &lt;see cref=&quot;AmbientLightSource&quot;/&gt; instance.</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment">        /// &lt;param name=&quot;intensity&quot;&gt;The intensity of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a87715c36ebb0090500acf61a02e589fe">  105</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a87715c36ebb0090500acf61a02e589fe">AmbientLightSource</a>(<span class="keywordtype">double</span> intensity)</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>        {</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>            this.Intensity = intensity;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>        }</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment"></span> </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a2824c2751525d5f0d1aa3aa68e82b320">  111</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a2824c2751525d5f0d1aa3aa68e82b320">GetLightAt</a>(Point3D point)</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>        {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a303b0bca112078486a02e16d3a67788c">Intensity</a>, <span class="keyword">new</span> NormalizedVector3D(<span class="keywordtype">double</span>.NaN, <span class="keywordtype">double</span>.NaN, <span class="keywordtype">double</span>.NaN));</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>        }</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment"></span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a23a12015bbe4b922865482a5c8af07b8">  117</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a23a12015bbe4b922865482a5c8af07b8">GetObstruction</a>(Point3D point, IEnumerable&lt;Triangle3DElement&gt; shadowingTriangles)</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>        {</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>        }</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment"></span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">    /// Represents a parallel light source.</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html">  126</a></span><span class="comment"></span>    <span class="keyword">public</span> <span class="keyword">class </span><a class="code hl_class" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html">ParallelLightSource</a> : <a class="code hl_interface" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html">ILightSource</a></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment">        /// The intensity of the light.</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#af199d2a44d119a059c00a5ea7aea33f9">  131</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#af199d2a44d119a059c00a5ea7aea33f9">Intensity</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment"></span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment">        /// The direction along which the light travels.</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a30aa92155aabd8fbe79beee55ca9666e">  136</a></span><span class="comment"></span>        <span class="keyword">public</span> NormalizedVector3D <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a30aa92155aabd8fbe79beee55ca9666e">Direction</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment"></span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">        /// The reverse of &lt;see cref=&quot;Direction&quot;/&gt;.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a929b54d55a24eb4b09c2b3617748a778">  141</a></span><span class="comment"></span>        <span class="keyword">public</span> NormalizedVector3D <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a929b54d55a24eb4b09c2b3617748a778">ReverseDirection</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment"></span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a684c87523b406f6b346abc52170bbbb0">  144</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">bool</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a684c87523b406f6b346abc52170bbbb0">CastsShadow</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment"></span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">        /// Creates a new &lt;see cref=&quot;ParallelLightSource&quot;/&gt; instance.</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment">        /// &lt;param name=&quot;intensity&quot;&gt;The intensity of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment">        /// &lt;param name=&quot;direction&quot;&gt;The direction along which the light travels.&lt;/param&gt;</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a387672a63f14618f8603350f4b7185d5">  151</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a387672a63f14618f8603350f4b7185d5">ParallelLightSource</a>(<span class="keywordtype">double</span> intensity, NormalizedVector3D direction)</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>        {</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>            this.Intensity = intensity;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>            this.Direction = direction;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>            this.ReverseDirection = direction.Reverse();</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>        }</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment"></span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a7039ff7bab7abf1c9c45d46bd76f69fc">  159</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a7039ff7bab7abf1c9c45d46bd76f69fc">GetLightAt</a>(Point3D point)</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>        {</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#af199d2a44d119a059c00a5ea7aea33f9">Intensity</a>, <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a30aa92155aabd8fbe79beee55ca9666e">Direction</a>);</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>        }</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment"></span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a17e1f40a15d5c7a181497a111d2a009f">  165</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a17e1f40a15d5c7a181497a111d2a009f">GetObstruction</a>(Point3D point, IEnumerable&lt;Triangle3DElement&gt; shadowingTriangles)</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>        {</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>            <span class="keywordflow">foreach</span> (Triangle3DElement triangle <span class="keywordflow">in</span> shadowingTriangles)</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>            {</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>                Point3D? projected = triangle.ProjectOnThisPlane(point, <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a929b54d55a24eb4b09c2b3617748a778">ReverseDirection</a>, <span class="keyword">true</span>, <span class="keywordtype">double</span>.PositiveInfinity);</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span> </div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>                <span class="keywordflow">if</span> (projected != <span class="keyword">null</span> &amp;&amp; Intersections3D.PointInTriangle(projected.Value, triangle.Point1, triangle.Point2, triangle.Point3))</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>                {</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>                    <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>                }</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>            }</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>        }</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>    }</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="comment"></span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="comment">    /// Represents a point light source.</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html">  184</a></span><span class="comment"></span>    <span class="keyword">public</span> <span class="keyword">class </span><a class="code hl_class" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html">PointLightSource</a> : <a class="code hl_interface" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html">ILightSource</a></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#af78182d681502fa270130f49f187be64">  187</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">bool</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#af78182d681502fa270130f49f187be64">CastsShadow</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="comment"></span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment">        /// The position of the light source.</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">  192</a></span><span class="comment"></span>        <span class="keyword">public</span> Point3D <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment"></span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="comment">        /// The base intensity of the light.</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#ac139af852d8e937858d9cae420582c55">  197</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#ac139af852d8e937858d9cae420582c55">Intensity</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="comment"></span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="comment">        /// An exponent determining how fast the light attenuates with increasing distance. Set to 0 to disable distance attenuation.</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a38ae6f1e3b8d7f0cf8152866763fa91c">  202</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a38ae6f1e3b8d7f0cf8152866763fa91c">DistanceAttenuationExponent</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = 2;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment"></span> </div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">        /// Creates a new &lt;see cref=&quot;PointLightSource&quot;/&gt; instance.</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="comment">        /// &lt;param name=&quot;intensity&quot;&gt;The intensity of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment">        /// &lt;param name=&quot;position&quot;&gt;The position of the light source.&lt;/param&gt;</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#acca14e2ca33a6cadf6b5f891858e6201">  209</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#acca14e2ca33a6cadf6b5f891858e6201">PointLightSource</a>(<span class="keywordtype">double</span> intensity, Point3D position)</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>        {</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>            this.Position = position;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>            this.Intensity = intensity;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>        }</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="comment"></span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a968982805145b8e2900a307f3075bef9">  216</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a968982805145b8e2900a307f3075bef9">GetLightAt</a>(Point3D point)</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>        {</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>            <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a38ae6f1e3b8d7f0cf8152866763fa91c">DistanceAttenuationExponent</a> == 2)</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>            {</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>                <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#ac139af852d8e937858d9cae420582c55">Intensity</a> / ((point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.X) * (point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.X) + (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.Y) * (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.Y) + (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.Z) * (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.Z)), (point - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>).Normalize());</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>            }</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a38ae6f1e3b8d7f0cf8152866763fa91c">DistanceAttenuationExponent</a> == 0)</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>            {</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>                <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#ac139af852d8e937858d9cae420582c55">Intensity</a>, (point - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>).Normalize());</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>            }</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>            {</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>                <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#ac139af852d8e937858d9cae420582c55">Intensity</a> / Math.Pow((point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.X) * (point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.X) + (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.Y) * (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.Y) + (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.Z) * (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>.Z), <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a38ae6f1e3b8d7f0cf8152866763fa91c">DistanceAttenuationExponent</a> * 0.5), (point - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">Position</a>).Normalize());</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>            }</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>        }</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="comment"></span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a80aaba2f397f5d85ecf107c2d40eae90">  233</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a80aaba2f397f5d85ecf107c2d40eae90">GetObstruction</a>(Point3D point, IEnumerable&lt;Triangle3DElement&gt; shadowingTriangles)</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>        {</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>            Vector3D reverseDir = this.Position - point;</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>            <span class="keywordtype">double</span> maxD = reverseDir.Modulus;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>            NormalizedVector3D reverseDirNorm = <span class="keyword">new</span> NormalizedVector3D(reverseDir.X / maxD, reverseDir.Y / maxD, reverseDir.Z / maxD, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>            <span class="keywordflow">foreach</span> (Triangle3DElement triangle <span class="keywordflow">in</span> shadowingTriangles)</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>            {</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>                Point3D? projected = triangle.ProjectOnThisPlane(point, reverseDirNorm, <span class="keyword">true</span>, maxD);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span> </div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>                <span class="keywordflow">if</span> (projected != <span class="keyword">null</span> &amp;&amp; Intersections3D.PointInTriangle(projected.Value, triangle.Point1, triangle.Point2, triangle.Point3))</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>                {</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>                    <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>                }</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>            }</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>        }</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>    }</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span><span class="comment"></span> </div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span><span class="comment">    /// Represents a conic spotlight.</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html">  256</a></span><span class="comment"></span>    <span class="keyword">public</span> <span class="keyword">class </span><a class="code hl_class" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html">SpotlightLightSource</a> : <a class="code hl_interface" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html">ILightSource</a></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a349e0f31e6c690b41e796767346b50b2">  259</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">bool</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a349e0f31e6c690b41e796767346b50b2">CastsShadow</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span><span class="comment"></span> </div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="comment">        /// The position of the light source.</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">  264</a></span><span class="comment"></span>        <span class="keyword">public</span> Point3D <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="comment"></span> </div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="comment">        /// The direction of the cone axis.</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a2288fbc88480ab2baa7ff124db8576e1">  269</a></span><span class="comment"></span>        <span class="keyword">public</span> NormalizedVector3D <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a2288fbc88480ab2baa7ff124db8576e1">Direction</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span><span class="comment"></span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="comment">        /// The base intensity of the light.</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a7464dee539aa7dec6eb3087976ba8231">  274</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a7464dee539aa7dec6eb3087976ba8231">Intensity</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span><span class="comment"></span> </div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="comment">        /// The angular size of the light cone, in radians.</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a872664c90dfe1fe3860d3069d0655698">  279</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a872664c90dfe1fe3860d3069d0655698">BeamWidthAngle</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="comment"></span> </div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="comment">        /// The angular size of the cutoff cone, in radians.</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a28ab7a2281f3ab029237101f3d8f4fe3">  284</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a28ab7a2281f3ab029237101f3d8f4fe3">CutoffAngle</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="comment"></span> </div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span><span class="comment">        /// An exponent determining how fast the light attenuates with increasing distance. Set to 0 to disable distance attenuation.</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#ab0b9e9a52fa5f39e8950abc917783c23">  289</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#ab0b9e9a52fa5f39e8950abc917783c23">DistanceAttenuationExponent</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = 2;</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span><span class="comment"></span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span><span class="comment">        /// An exponent determining how fast the light attenuates between the main light cone and the cutoff cone.</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a85b98b5ff591baa6af3c592bde63ce30">  294</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a85b98b5ff591baa6af3c592bde63ce30">AngleAttenuationExponent</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = 1;</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span><span class="comment"></span> </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span><span class="comment">        /// Creates a new &lt;see cref=&quot;SpotlightLightSource&quot;/&gt; instance.</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span><span class="comment">        /// &lt;param name=&quot;intensity&quot;&gt;The intensity of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span><span class="comment">        /// &lt;param name=&quot;position&quot;&gt;The position of the light source.&lt;/param&gt;</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span><span class="comment">        /// &lt;param name=&quot;direction&quot;&gt;The direction of the cone&#39;s axis.&lt;/param&gt;</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="comment">        /// &lt;param name=&quot;beamWidthAngle&quot;&gt;The angular size of the light cone, in radians.&lt;/param&gt;</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span><span class="comment">        /// &lt;param name=&quot;cutoffAngle&quot;&gt;The angular size of the cutoff cone, in radians.&lt;/param&gt;</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#aefb4043f24501335aeb3bdf686fa80d2">  304</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#aefb4043f24501335aeb3bdf686fa80d2">SpotlightLightSource</a>(<span class="keywordtype">double</span> intensity, Point3D position, NormalizedVector3D direction, <span class="keywordtype">double</span> beamWidthAngle, <span class="keywordtype">double</span> cutoffAngle)</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>        {</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>            this.Position = position;</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>            this.Direction = direction;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>            this.Intensity = intensity;</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>            this.BeamWidthAngle = beamWidthAngle;</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>            this.CutoffAngle = cutoffAngle;</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>        }</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span><span class="comment"></span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a0a5d22030356f66ddf0fb42fd3b897a5">  314</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a0a5d22030356f66ddf0fb42fd3b897a5">GetLightAt</a>(Point3D point)</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>        {</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>            <span class="keywordtype">double</span> angle = Math.Atan2(((point - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>) ^ <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a2288fbc88480ab2baa7ff124db8576e1">Direction</a>).Modulus, (point - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>) * <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a2288fbc88480ab2baa7ff124db8576e1">Direction</a>);</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>            <span class="keywordflow">if</span> (angle &gt; Math.PI)</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>            {</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>                angle -= 2 * Math.PI;</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>            }</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>            angle = Math.Abs(angle);</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>            <span class="keywordtype">double</span> intensity;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span> </div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>            <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#ab0b9e9a52fa5f39e8950abc917783c23">DistanceAttenuationExponent</a> == 0)</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>            {</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>                intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a7464dee539aa7dec6eb3087976ba8231">Intensity</a>;</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>            }</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#ab0b9e9a52fa5f39e8950abc917783c23">DistanceAttenuationExponent</a> == 2)</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>            {</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>                intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a7464dee539aa7dec6eb3087976ba8231">Intensity</a> / ((point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.X) * (point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.X) + (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.Y) * (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.Y) + (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.Z) * (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.Z));</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>            }</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>            {</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>                intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a7464dee539aa7dec6eb3087976ba8231">Intensity</a> / Math.Pow((point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.X) * (point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.X) + (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.Y) * (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.Y) + (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.Z) * (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>.Z), 0.5 * <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#ab0b9e9a52fa5f39e8950abc917783c23">DistanceAttenuationExponent</a>);</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>            }</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span> </div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>            <span class="keywordflow">if</span> (angle &lt;= <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a872664c90dfe1fe3860d3069d0655698">BeamWidthAngle</a>)</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>            {</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>                <span class="comment">// * 1</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>            }</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (angle &gt;= <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a28ab7a2281f3ab029237101f3d8f4fe3">CutoffAngle</a>)</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>            {</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>                intensity = 0;</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>            }</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a85b98b5ff591baa6af3c592bde63ce30">AngleAttenuationExponent</a> == 0)</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>            {</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>                <span class="comment">// * 1</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>            }</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a85b98b5ff591baa6af3c592bde63ce30">AngleAttenuationExponent</a> == 1)</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>            {</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>                intensity *= (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a28ab7a2281f3ab029237101f3d8f4fe3">CutoffAngle</a> - angle) / (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a28ab7a2281f3ab029237101f3d8f4fe3">CutoffAngle</a> - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a872664c90dfe1fe3860d3069d0655698">BeamWidthAngle</a>);</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>            }</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>            {</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>                intensity *= Math.Pow((<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a28ab7a2281f3ab029237101f3d8f4fe3">CutoffAngle</a> - angle) / (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a28ab7a2281f3ab029237101f3d8f4fe3">CutoffAngle</a> - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a872664c90dfe1fe3860d3069d0655698">BeamWidthAngle</a>), <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a85b98b5ff591baa6af3c592bde63ce30">AngleAttenuationExponent</a>);</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>            }</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span> </div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(intensity, (point - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">Position</a>).Normalize());</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>        }</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span><span class="comment"></span> </div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a1024954e94a890e5b9de9cfcccf8e129">  362</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a1024954e94a890e5b9de9cfcccf8e129">GetObstruction</a>(Point3D point, IEnumerable&lt;Triangle3DElement&gt; shadowingTriangles)</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>        {</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>            Vector3D reverseDir = this.Position - point;</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>            <span class="keywordtype">double</span> maxD = reverseDir.Modulus;</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>            NormalizedVector3D reverseDirNorm = <span class="keyword">new</span> NormalizedVector3D(reverseDir.X / maxD, reverseDir.Y / maxD, reverseDir.Z / maxD, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span> </div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>            <span class="keywordflow">foreach</span> (Triangle3DElement triangle <span class="keywordflow">in</span> shadowingTriangles)</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>            {</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>                Point3D? projected = triangle.ProjectOnThisPlane(point, reverseDirNorm, <span class="keyword">true</span>, maxD);</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span> </div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>                <span class="keywordflow">if</span> (projected != <span class="keyword">null</span> &amp;&amp; Intersections3D.PointInTriangle(projected.Value, triangle.Point1, triangle.Point2, triangle.Point3))</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>                {</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>                    <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>                }</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>            }</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span> </div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>        }</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span>    }</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span><span class="comment"></span> </div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span><span class="comment">    /// Represents a point light source with a stencil in front of it.</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html">  385</a></span><span class="comment"></span>    <span class="keyword">public</span> <span class="keyword">class </span><a class="code hl_class" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html">MaskedLightSource</a> : <a class="code hl_interface" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html">ILightSource</a></div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#acad9911b7660eacc598c99ddbfc92763">  388</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">bool</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#acad9911b7660eacc598c99ddbfc92763">CastsShadow</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span><span class="comment"></span> </div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span><span class="comment">        /// The position of the light source.</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">  393</a></span><span class="comment"></span>        <span class="keyword">public</span> Point3D <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span><span class="comment"></span> </div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span><span class="comment">        /// The projection of the &lt;see cref=&quot;Position&quot;/&gt; on the mask plane along the light&#39;s &lt;see cref=&quot;Direction&quot;/&gt;.</span></div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a7d691ed7328aeec4de160a180582760f">  398</a></span><span class="comment"></span>        <span class="keyword">public</span> Point3D <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a7d691ed7328aeec4de160a180582760f">Origin</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span><span class="comment"></span> </div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span><span class="comment">        /// The direction of the light.</span></div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#abfd20c38eef9066e9f398824c5c75435">  403</a></span><span class="comment"></span>        <span class="keyword">public</span> NormalizedVector3D <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#abfd20c38eef9066e9f398824c5c75435">Direction</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span><span class="comment"></span> </div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span><span class="comment">        /// The distance between the light source and the mask plane.</span></div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a01eab9e95538ca7d4a6fa0effbeb89f7">  408</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a01eab9e95538ca7d4a6fa0effbeb89f7">Distance</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span> </div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span>        <span class="keyword">private</span> List&lt;Point3D[]&gt; TriangulatedMask { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span><span class="comment"></span> </div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span><span class="comment">        /// The base intensity of the light.</span></div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a5c39aabb3788738f50974651f08504ae">  415</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a5c39aabb3788738f50974651f08504ae">Intensity</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span><span class="comment"></span> </div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span><span class="comment">        /// An exponent determining how fast the light attenuates with increasing distance. Set to 0 to disable distance attenuation.</span></div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a4a00095fb8bf52ef53c1ff49b018b408">  420</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a4a00095fb8bf52ef53c1ff49b018b408">DistanceAttenuationExponent</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = 2;</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span><span class="comment"></span> </div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span><span class="comment">        /// An exponent determining how fast the light attenuates away from the light&#39;s axis. Set to 0 to disable angular attenuation.</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a57f148002613d253aa352aedb7bb4ab4">  425</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a57f148002613d253aa352aedb7bb4ab4">AngleAttenuationExponent</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = 1;</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span><span class="comment"></span> </div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span><span class="comment">        /// Creates a new &lt;see cref=&quot;MaskedLightSource&quot;/&gt; by triangulating the specified &lt;see cref=&quot;GraphicsPath&quot;/&gt;.</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span><span class="comment">        /// &lt;param name=&quot;intensity&quot;&gt;The base intensity of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span><span class="comment">        /// &lt;param name=&quot;position&quot;&gt;The position of the light source.&lt;/param&gt;</span></div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span><span class="comment">        /// &lt;param name=&quot;direction&quot;&gt;The direction of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span><span class="comment">        /// &lt;param name=&quot;distance&quot;&gt;The distance between the light source and the mask plane.&lt;/param&gt;</span></div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span><span class="comment">        /// &lt;param name=&quot;mask&quot;&gt;A &lt;see cref=&quot;GraphicsPath&quot;/&gt; representing the transparent part of the mask.&lt;/param&gt;</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span><span class="comment">        /// &lt;param name=&quot;maskOrientation&quot;&gt;An angle in radians determining the orientation of the 2D mask in the mask plane.&lt;/param&gt;</span></div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span><span class="comment">        /// &lt;param name=&quot;triangulationResolution&quot;&gt;The resolution to use to triangulate the &lt;paramref name=&quot;mask&quot;/&gt;.&lt;/param&gt;</span></div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a5885bef79f22807507c38a0cb851ab46">  437</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a5885bef79f22807507c38a0cb851ab46">MaskedLightSource</a>(<span class="keywordtype">double</span> intensity, Point3D position, NormalizedVector3D direction, <span class="keywordtype">double</span> distance, <a class="code hl_class" href="class_vect_sharp_1_1_graphics_path.html">GraphicsPath</a> mask, <span class="keywordtype">double</span> maskOrientation, <span class="keywordtype">double</span> triangulationResolution) : this(intensity, position, direction, distance, mask.Triangulate(triangulationResolution, true), maskOrientation)</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>        {</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span> </div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>        }</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span><span class="comment"></span> </div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span><span class="comment">        /// Creates a new &lt;see cref=&quot;MaskedLightSource&quot;/&gt; using the specified &lt;paramref name=&quot;triangulatedMask&quot;/&gt;.</span></div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span><span class="comment">        /// &lt;param name=&quot;intensity&quot;&gt;The base intensity of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span><span class="comment">        /// &lt;param name=&quot;position&quot;&gt;The position of the light source.&lt;/param&gt;</span></div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span><span class="comment">        /// &lt;param name=&quot;direction&quot;&gt;The direction of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span><span class="comment">        /// &lt;param name=&quot;distance&quot;&gt;The distance between the light source and the mask plane.&lt;/param&gt;</span></div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span><span class="comment">        /// &lt;param name=&quot;triangulatedMask&quot;&gt;A collection of &lt;see cref=&quot;GraphicsPath&quot;/&gt;s representing the transparent part of the mask. Each &lt;see cref=&quot;GraphicsPath&quot;/&gt; should represent a single triangle.&lt;/param&gt;</span></div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span><span class="comment">        /// &lt;param name=&quot;maskOrientation&quot;&gt;An angle in radians determining the orientation of the 2D mask in the mask plane.&lt;/param&gt;</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#af8b3a6d75186578b59c97f2eb4cdc7ab">  451</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#af8b3a6d75186578b59c97f2eb4cdc7ab">MaskedLightSource</a>(<span class="keywordtype">double</span> intensity, Point3D position, NormalizedVector3D direction, <span class="keywordtype">double</span> distance, IEnumerable&lt;GraphicsPath&gt; triangulatedMask, <span class="keywordtype">double</span> maskOrientation)</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>        {</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>            this.Intensity = intensity;</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>            this.Position = position;</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>            this.Direction = direction;</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>            this.Distance = distance;</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>            this.Origin = this.Position + distance * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#abfd20c38eef9066e9f398824c5c75435">Direction</a>;</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span> </div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>            <span class="keywordtype">double</span>[,] rotation = Matrix3D.RotationToAlignWithZ(direction).Inverse();</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span> </div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>            <span class="keywordtype">double</span>[,] rotation2 = Matrix3D.RotationAroundAxis(direction, maskOrientation);</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span> </div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span>            List&lt;Point3D[]&gt; maskList = <span class="keyword">new</span> List&lt;Point3D[]&gt;();</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span> </div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span>            <span class="keywordflow">foreach</span> (<a class="code hl_class" href="class_vect_sharp_1_1_graphics_path.html">GraphicsPath</a> trianglePath <span class="keywordflow">in</span> triangulatedMask)</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span>            {</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span>                Point3D[] triangle = <span class="keyword">new</span> Point3D[3];</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span> </div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>                List&lt;Point&gt; points = trianglePath.<a class="code hl_function" href="class_vect_sharp_1_1_graphics_path.html#acab81d6f423c46f488a35179ffb385cf">GetPoints</a>().First();</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span> </div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; 3; i++)</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span>                {</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>                    triangle[i] = (Point3D)((Vector3D)(rotation2 * (rotation * <span class="keyword">new</span> Point3D(points[i].X, points[i].Y, 0))) + <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a7d691ed7328aeec4de160a180582760f">Origin</a>);</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>                }</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span> </div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>                maskList.Add(triangle);</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>            }</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span> </div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>            this.TriangulatedMask = maskList;</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>        }</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span><span class="comment"></span> </div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a218ec606394abea46897026b94d0337d">  483</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a218ec606394abea46897026b94d0337d">GetLightAt</a>(Point3D point)</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>        {</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>            <span class="keywordtype">double</span> d = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a01eab9e95538ca7d4a6fa0effbeb89f7">Distance</a> / ((point - this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>) * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#abfd20c38eef9066e9f398824c5c75435">Direction</a>);</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span>            Point3D pt = this.Position + (point - this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>) * d;</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span> </div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>            <span class="keywordtype">bool</span> contained = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span> </div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span>            <span class="keywordflow">foreach</span> (Point3D[] triangle <span class="keywordflow">in</span> TriangulatedMask)</div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>            {</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>                <span class="keywordflow">if</span> (Intersections3D.PointInTriangle(pt, triangle[0], triangle[1], triangle[2]))</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>                {</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span>                    contained = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>                    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span>                }</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>            }</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span> </div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>            <span class="keywordflow">if</span> (contained)</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>            {</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>                <span class="keywordtype">double</span> intensity;</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span> </div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>                <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a4a00095fb8bf52ef53c1ff49b018b408">DistanceAttenuationExponent</a> == 0)</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span>                {</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>                    intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a5c39aabb3788738f50974651f08504ae">Intensity</a>;</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span>                }</div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span>                <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a4a00095fb8bf52ef53c1ff49b018b408">DistanceAttenuationExponent</a> == 2)</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span>                {</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span>                    intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a5c39aabb3788738f50974651f08504ae">Intensity</a> / ((point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.X) * (point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.X) + (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.Y) * (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.Y) + (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.Z) * (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.Z));</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span>                }</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>                {</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>                    intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a5c39aabb3788738f50974651f08504ae">Intensity</a> / Math.Pow((point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.X) * (point.X - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.X) + (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.Y) * (point.Y - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.Y) + (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.Z) * (point.Z - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>.Z), 0.5 * <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a4a00095fb8bf52ef53c1ff49b018b408">DistanceAttenuationExponent</a>);</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span>                }</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span> </div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span>                <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a57f148002613d253aa352aedb7bb4ab4">AngleAttenuationExponent</a> == 0)</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span>                {</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span>                    <span class="comment">// * 1</span></div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span>                }</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>                {</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>                    <span class="keywordtype">double</span> angle = Math.Atan2(((point - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>) ^ <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#abfd20c38eef9066e9f398824c5c75435">Direction</a>).Modulus, (point - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>) * <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#abfd20c38eef9066e9f398824c5c75435">Direction</a>);</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>                    <span class="keywordflow">if</span> (angle &gt; Math.PI)</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span>                    {</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>                        angle -= 2 * Math.PI;</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>                    }</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span> </div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>                    <span class="keywordflow">if</span> (Math.Abs(angle) &lt; Math.PI / 2)</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span>                    {</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span>                        angle = Math.Abs(angle) / Math.PI * 2;</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span> </div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span>                        <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a57f148002613d253aa352aedb7bb4ab4">AngleAttenuationExponent</a> == 1)</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span>                        {</div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>                            intensity *= 1 - angle;</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>                        }</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>                        <span class="keywordflow">else</span></div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span>                        {</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>                            intensity *= Math.Pow(1 - angle, <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a57f148002613d253aa352aedb7bb4ab4">AngleAttenuationExponent</a>);</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span>                        }</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span>                    }</div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>                    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span>                    {</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>                        intensity = 0;</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span>                    }</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>                }</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span> </div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>                <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(intensity, (point - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>).Normalize());</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span>            }</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span>            {</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span>                <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(0, (point - <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">Position</a>).Normalize());</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span>            }</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span>        }</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span><span class="comment"></span> </div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#ac49acc5a6014d6e112d24143e413abc6">  556</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#ac49acc5a6014d6e112d24143e413abc6">GetObstruction</a>(Point3D point, IEnumerable&lt;Triangle3DElement&gt; shadowingTriangles)</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span>        {</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span>            Vector3D reverseDir = this.Position - point;</div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span>            <span class="keywordtype">double</span> maxD = reverseDir.Modulus;</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span>            NormalizedVector3D reverseDirNorm = <span class="keyword">new</span> NormalizedVector3D(reverseDir.X / maxD, reverseDir.Y / maxD, reverseDir.Z / maxD, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span> </div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span>            <span class="keywordflow">foreach</span> (Triangle3DElement triangle <span class="keywordflow">in</span> shadowingTriangles)</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span>            {</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span>                Point3D? projected = triangle.ProjectOnThisPlane(point, reverseDirNorm, <span class="keyword">true</span>, maxD);</div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span> </div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span>                <span class="keywordflow">if</span> (projected != <span class="keyword">null</span> &amp;&amp; Intersections3D.PointInTriangle(projected.Value, triangle.Point1, triangle.Point2, triangle.Point3))</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span>                {</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span>                    <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span>                }</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span>            }</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span> </div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span>            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span>        }</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span>    }</div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span><span class="comment"></span> </div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span><span class="comment">    /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span><span class="comment">    /// Represents a light source emitting light from a circular area.</span></div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno">  578</span><span class="comment">    /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html">  579</a></span><span class="comment"></span>    <span class="keyword">public</span> <span class="keyword">class </span><a class="code hl_class" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html">AreaLightSource</a> : <a class="code hl_interface" href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html">ILightSource</a></div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno">  580</span>    {<span class="comment"></span></div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a9d837e6b1eaf16f2642a0113c61df249">  582</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">bool</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a9d837e6b1eaf16f2642a0113c61df249">CastsShadow</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span><span class="comment"></span> </div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span><span class="comment">        /// The centre of the light-emitting area.</span></div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad4a9522a93b10213775b86fb59422fa3">  587</a></span><span class="comment"></span>        <span class="keyword">public</span> Point3D <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad4a9522a93b10213775b86fb59422fa3">Center</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span> </div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span>        <span class="keyword">private</span> Point3D VirtualSource { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span><span class="comment"></span> </div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno">  592</span><span class="comment">        /// The direction of the light&#39;s main axis, i.e. the normal to the plane containing the light-emitting area.</span></div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad9f8fb2a4ae8cbbe04f288a4e7bb12d2">  594</a></span><span class="comment"></span>        <span class="keyword">public</span> NormalizedVector3D <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad9f8fb2a4ae8cbbe04f288a4e7bb12d2">Direction</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span><span class="comment"></span> </div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno">  597</span><span class="comment">        /// The radius of the light emitting area.</span></div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno">  598</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a31f4ee050eac024c8a9c46ac9356500e">  599</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a31f4ee050eac024c8a9c46ac9356500e">Radius</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno">  600</span><span class="comment"></span> </div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno">  601</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno">  602</span><span class="comment">        /// The radius of the penumbra area.</span></div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno">  603</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ac6733ad7ade0c156002bfb567e69749b">  604</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ac6733ad7ade0c156002bfb567e69749b">PenumbraRadius</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno">  605</span><span class="comment"></span> </div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno">  606</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno">  607</span><span class="comment">        /// The base intensity of the light.</span></div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno">  608</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#afd1ca1c737318094a94a7b126e35a0fa">  609</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#afd1ca1c737318094a94a7b126e35a0fa">Intensity</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; }</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno">  610</span><span class="comment"></span> </div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno">  611</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno">  612</span><span class="comment">        /// The distance between the focal point of the light and the light&#39;s &lt;see cref=&quot;Center&quot;/&gt;.</span></div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno">  613</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a21e9c219b36d363fbea41c4b753a99d5">  614</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a21e9c219b36d363fbea41c4b753a99d5">SourceDistance</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno">  615</span><span class="comment"></span> </div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno">  616</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno">  617</span><span class="comment">        /// An exponent determining how fast the light attenuates with increasing distance. Set to 0 to disable distance attenuation.</span></div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno">  618</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a6d0c87b2d8955407256c7be041530aca">  619</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a6d0c87b2d8955407256c7be041530aca">DistanceAttenuationExponent</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = 2;</div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno">  620</span><span class="comment"></span> </div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno">  621</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno">  622</span><span class="comment">        /// An exponent determining how fast the light attenuates between the light-emitting area radius and the penumbra radius.</span></div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno">  623</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#aaab65d0328271c7beb9facc3cfbbbb94">  624</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#aaab65d0328271c7beb9facc3cfbbbb94">PenumbraAttenuationExponent</a> { <span class="keyword">get</span>; <span class="keyword">set</span>; } = 1;</div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno">  625</span><span class="comment"></span> </div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno">  626</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno">  627</span><span class="comment">        /// The number of points to use when determining the amount of light that is obstructed at a certain point.</span></div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno">  628</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a331229e5fe64af0e5efbe38d9a2216da">  629</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">int</span> <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a331229e5fe64af0e5efbe38d9a2216da">ShadowSamplingPointCount</a> { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno">  630</span> </div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno">  631</span>        <span class="keyword">private</span> Point3D[] ShadowSamplingPoints { <span class="keyword">get</span>; }</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno">  632</span><span class="comment"></span> </div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno">  633</span><span class="comment">        /// &lt;summary&gt;</span></div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno">  634</span><span class="comment">        /// Creates a new &lt;see cref=&quot;AreaLightSource&quot;/&gt; instance.</span></div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno">  635</span><span class="comment">        /// &lt;/summary&gt;</span></div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno">  636</span><span class="comment">        /// &lt;param name=&quot;intensity&quot;&gt;The base intensity of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno">  637</span><span class="comment">        /// &lt;param name=&quot;center&quot;&gt;The centre of the light-emitting area.&lt;/param&gt;</span></div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno">  638</span><span class="comment">        /// &lt;param name=&quot;radius&quot;&gt;The radius of the light-emitting area.&lt;/param&gt;</span></div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno">  639</span><span class="comment">        /// &lt;param name=&quot;penumbraRadius&quot;&gt;The radius of the penumbra area.&lt;/param&gt;</span></div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno">  640</span><span class="comment">        /// &lt;param name=&quot;direction&quot;&gt;The direction of the light.&lt;/param&gt;</span></div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno">  641</span><span class="comment">        /// &lt;param name=&quot;sourceDistance&quot;&gt;The distance between the focal point of the light and the light&#39;s center.&lt;/param&gt;</span></div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno">  642</span><span class="comment">        /// &lt;param name=&quot;shadowSamplingPointCount&quot;&gt;The number of points to use when determining the amount of light that is obstructed at a certain point.&lt;/param&gt;</span></div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ae605680ea5dbef5a5a61f78948a53b60">  643</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ae605680ea5dbef5a5a61f78948a53b60">AreaLightSource</a>(<span class="keywordtype">double</span> intensity, Point3D center, <span class="keywordtype">double</span> radius, <span class="keywordtype">double</span> penumbraRadius, NormalizedVector3D direction, <span class="keywordtype">double</span> sourceDistance, <span class="keywordtype">int</span> shadowSamplingPointCount)</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno">  644</span>        {</div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno">  645</span>            <span class="keywordflow">if</span> (shadowSamplingPointCount &lt; 1)</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno">  646</span>            {</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno">  647</span>                <span class="keywordflow">throw</span> <span class="keyword">new</span> ArgumentOutOfRangeException(nameof(shadowSamplingPointCount), shadowSamplingPointCount, <span class="stringliteral">&quot;The number of shadow sampling points must be greater than or equal to 1!&quot;</span>);</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno">  648</span>            }</div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno">  649</span> </div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno">  650</span>            this.Center = center;</div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno">  651</span>            this.Direction = direction;</div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno">  652</span>            this.Intensity = intensity;</div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno">  653</span>            this.Radius = radius;</div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno">  654</span>            this.PenumbraRadius = penumbraRadius;</div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno">  655</span>            this.SourceDistance = sourceDistance;</div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno">  656</span> </div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno">  657</span>            this.VirtualSource = this.Center - this.Direction * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a21e9c219b36d363fbea41c4b753a99d5">SourceDistance</a>;</div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno">  658</span> </div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno">  659</span>            this.ShadowSamplingPointCount = shadowSamplingPointCount;</div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno">  660</span> </div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno">  661</span>            NormalizedVector3D yAxis;</div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno">  662</span> </div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno">  663</span>            <span class="keywordflow">if</span> (Math.Abs(<span class="keyword">new</span> Vector3D(0, 1, 0) * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad9f8fb2a4ae8cbbe04f288a4e7bb12d2">Direction</a>) &lt; 1)</div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno">  664</span>            {</div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno">  665</span>                yAxis = (<span class="keyword">new</span> Vector3D(0, 1, 0) - (<span class="keyword">new</span> Vector3D(0, 1, 0) * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad9f8fb2a4ae8cbbe04f288a4e7bb12d2">Direction</a>) * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad9f8fb2a4ae8cbbe04f288a4e7bb12d2">Direction</a>).Normalize();</div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno">  666</span>            }</div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno">  667</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno">  668</span>            {</div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno">  669</span>                yAxis = (<span class="keyword">new</span> Vector3D(0, 0, 1) - (<span class="keyword">new</span> Vector3D(0, 0, 1) * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad9f8fb2a4ae8cbbe04f288a4e7bb12d2">Direction</a>) * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad9f8fb2a4ae8cbbe04f288a4e7bb12d2">Direction</a>).Normalize();</div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno">  670</span>            }</div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno">  671</span> </div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno">  672</span>            NormalizedVector3D xAxis = (this.Direction ^ yAxis).Normalize();</div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno">  673</span> </div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno">  674</span>            this.ShadowSamplingPoints = <span class="keyword">new</span> Point3D[shadowSamplingPointCount - 1];</div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno">  675</span> </div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno">  676</span>            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; shadowSamplingPointCount - 1; i++)</div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno">  677</span>            {</div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno">  678</span>                <span class="keywordtype">double</span> r = ((double)i / (shadowSamplingPointCount - 2)) * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a31f4ee050eac024c8a9c46ac9356500e">Radius</a>;</div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno">  679</span>                <span class="keywordtype">double</span> theta = (double)i / (shadowSamplingPointCount - 2) * 2 * Math.PI * ((shadowSamplingPointCount - 1) / 3.7);</div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno">  680</span> </div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno">  681</span>                <span class="keywordtype">double</span> x = r * Math.Cos(theta);</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno">  682</span>                <span class="keywordtype">double</span> y = r * Math.Sin(theta);</div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno">  683</span> </div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno">  684</span>                Point3D pt = this.Center + x * xAxis + y * yAxis;</div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno">  685</span>                this.ShadowSamplingPoints[i] = pt;</div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno">  686</span>            }</div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno">  687</span>        }</div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno">  688</span><span class="comment"></span> </div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno">  689</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a4aedfa07e5e6c75672f908f252a2c3db">  690</a></span><span class="comment"></span>        <span class="keyword">public</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a4aedfa07e5e6c75672f908f252a2c3db">GetLightAt</a>(Point3D point)</div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno">  691</span>        {</div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno">  692</span>            <span class="keywordtype">double</span> denom = ((point - this.VirtualSource) * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad9f8fb2a4ae8cbbe04f288a4e7bb12d2">Direction</a>);</div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno">  693</span> </div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno">  694</span>            <span class="keywordflow">if</span> (denom &lt;= 0)</div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno">  695</span>            {</div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno">  696</span>                <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(0, (point - this.VirtualSource).Normalize());</div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno">  697</span>            }</div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno">  698</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno">  699</span>            {</div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno">  700</span>                <span class="keywordtype">double</span> d = this.SourceDistance / denom;</div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno">  701</span>                Point3D pt = this.VirtualSource + d * (point - this.VirtualSource);</div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno">  702</span>                <span class="keywordtype">double</span> distSq = (pt.X - this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad4a9522a93b10213775b86fb59422fa3">Center</a>.X) * (pt.X - <span class="keyword">this</span>.Center.X) + (pt.Y - this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad4a9522a93b10213775b86fb59422fa3">Center</a>.Y) * (pt.Y - <span class="keyword">this</span>.Center.Y) + (pt.Z - this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad4a9522a93b10213775b86fb59422fa3">Center</a>.Z) * (pt.Z - <span class="keyword">this</span>.Center.Z);</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno">  703</span> </div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno">  704</span>                <span class="keywordflow">if</span> (distSq &lt; this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a31f4ee050eac024c8a9c46ac9356500e">Radius</a> * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a31f4ee050eac024c8a9c46ac9356500e">Radius</a>)</div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno">  705</span>                {</div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno">  706</span>                    <span class="keywordtype">double</span> intensity;</div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno">  707</span>                    <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a6d0c87b2d8955407256c7be041530aca">DistanceAttenuationExponent</a> == 0)</div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno">  708</span>                    {</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno">  709</span>                        intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#afd1ca1c737318094a94a7b126e35a0fa">Intensity</a>;</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno">  710</span>                    }</div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno">  711</span>                    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a6d0c87b2d8955407256c7be041530aca">DistanceAttenuationExponent</a> == 2)</div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno">  712</span>                    {</div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno">  713</span>                        intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#afd1ca1c737318094a94a7b126e35a0fa">Intensity</a> / ((point.X - this.VirtualSource.X) * (point.X - <span class="keyword">this</span>.VirtualSource.X) + (point.Y - this.VirtualSource.Y) * (point.Y - <span class="keyword">this</span>.VirtualSource.Y) + (point.Z - this.VirtualSource.Z) * (point.Z - <span class="keyword">this</span>.VirtualSource.Z));</div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno">  714</span>                    }</div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno">  715</span>                    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno">  716</span>                    {</div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno">  717</span>                        intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#afd1ca1c737318094a94a7b126e35a0fa">Intensity</a> / Math.Pow((point.X - <span class="keyword">this</span>.VirtualSource.X) * (point.X - this.VirtualSource.X) + (point.Y - <span class="keyword">this</span>.VirtualSource.Y) * (point.Y - this.VirtualSource.Y) + (point.Z - <span class="keyword">this</span>.VirtualSource.Z) * (point.Z - this.VirtualSource.Z), 0.5 * <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a6d0c87b2d8955407256c7be041530aca">DistanceAttenuationExponent</a>);</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno">  718</span>                    }</div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno">  719</span> </div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno">  720</span>                    <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(intensity, (point - this.VirtualSource).Normalize());</div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno">  721</span>                }</div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno">  722</span>                <span class="keywordflow">else</span> <span class="keywordflow">if</span> (distSq &lt; this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ac6733ad7ade0c156002bfb567e69749b">PenumbraRadius</a> * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ac6733ad7ade0c156002bfb567e69749b">PenumbraRadius</a>)</div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno">  723</span>                {</div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno">  724</span>                    <span class="keywordtype">double</span> intensity;</div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno">  725</span>                    <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a6d0c87b2d8955407256c7be041530aca">DistanceAttenuationExponent</a> == 0)</div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno">  726</span>                    {</div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno">  727</span>                        intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#afd1ca1c737318094a94a7b126e35a0fa">Intensity</a>;</div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno">  728</span>                    }</div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno">  729</span>                    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a6d0c87b2d8955407256c7be041530aca">DistanceAttenuationExponent</a> == 2)</div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno">  730</span>                    {</div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno">  731</span>                        intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#afd1ca1c737318094a94a7b126e35a0fa">Intensity</a> / ((point.X - this.VirtualSource.X) * (point.X - <span class="keyword">this</span>.VirtualSource.X) + (point.Y - this.VirtualSource.Y) * (point.Y - <span class="keyword">this</span>.VirtualSource.Y) + (point.Z - VirtualSource.Z) * (point.Z - <span class="keyword">this</span>.VirtualSource.Z));</div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno">  732</span>                    }</div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno">  733</span>                    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno">  734</span>                    {</div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno">  735</span>                        intensity = <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#afd1ca1c737318094a94a7b126e35a0fa">Intensity</a> / Math.Pow((point.X - <span class="keyword">this</span>.VirtualSource.X) * (point.X - this.VirtualSource.X) + (point.Y - <span class="keyword">this</span>.VirtualSource.Y) * (point.Y - this.VirtualSource.Y) + (point.Z - <span class="keyword">this</span>.VirtualSource.Z) * (point.Z - this.VirtualSource.Z), 0.5 * <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a6d0c87b2d8955407256c7be041530aca">DistanceAttenuationExponent</a>);</div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno">  736</span>                    }</div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno">  737</span> </div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno">  738</span>                    <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#aaab65d0328271c7beb9facc3cfbbbb94">PenumbraAttenuationExponent</a> == 0)</div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno">  739</span>                    {</div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno">  740</span>                        <span class="comment">//intensity *= 1;</span></div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno">  741</span>                    }</div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno">  742</span>                    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#aaab65d0328271c7beb9facc3cfbbbb94">PenumbraAttenuationExponent</a> == 1)</div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno">  743</span>                    {</div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno">  744</span>                        <span class="keywordtype">double</span> factor = (Math.Sqrt(distSq) - this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a31f4ee050eac024c8a9c46ac9356500e">Radius</a>) / (this.PenumbraRadius - this.Radius);</div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno">  745</span>                        intensity *= 1 - factor;</div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno">  746</span>                    }</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno">  747</span>                    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno">  748</span>                    {</div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno">  749</span>                        <span class="keywordtype">double</span> factor = (Math.Sqrt(distSq) - this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a31f4ee050eac024c8a9c46ac9356500e">Radius</a>) / (this.PenumbraRadius - this.Radius);</div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno">  750</span>                        intensity *= Math.Pow(1 - factor, <a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#aaab65d0328271c7beb9facc3cfbbbb94">PenumbraAttenuationExponent</a>);</div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno">  751</span>                    }</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno">  752</span> </div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno">  753</span>                    <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(intensity, (point - this.VirtualSource).Normalize());</div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno">  754</span>                }</div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno">  755</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno">  756</span>                {</div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno">  757</span>                    <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code hl_struct" href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">LightIntensity</a>(0, (point - this.VirtualSource).Normalize());</div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno">  758</span>                }</div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno">  759</span>            }</div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno">  760</span>        }</div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno">  761</span><span class="comment"></span> </div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno">  762</span><span class="comment">        /// &lt;inheritdoc/&gt;</span></div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno"><a class="line" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a22a61ea4565607cfdc87c05493cba78f">  763</a></span><span class="comment"></span>        <span class="keyword">public</span> <span class="keywordtype">double</span> <a class="code hl_function" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a22a61ea4565607cfdc87c05493cba78f">GetObstruction</a>(Point3D point, IEnumerable&lt;Triangle3DElement&gt; shadowingTriangles)</div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno">  764</span>        {</div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno">  765</span>            <span class="keywordtype">double</span> totalObstruction = 0;</div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno">  766</span>            <span class="keywordtype">int</span> sampleCount = 0;</div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno">  767</span> </div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno">  768</span>            {</div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno">  769</span>                Vector3D reverseDir = this.VirtualSource - point;</div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno">  770</span> </div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno">  771</span>                <span class="keywordtype">double</span> denom = (reverseDir * this.<a class="code hl_property" href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad9f8fb2a4ae8cbbe04f288a4e7bb12d2">Direction</a>);</div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno">  772</span> </div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno">  773</span>                <span class="keywordflow">if</span> (denom == 0)</div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno">  774</span>                {</div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno">  775</span>                    <span class="comment">//totalObstruction += 0;</span></div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno">  776</span>                    sampleCount++;</div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno">  777</span>                }</div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno">  778</span>                <span class="keywordflow">else</span></div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno">  779</span>                {</div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno">  780</span>                    <span class="keywordtype">double</span> d = this.SourceDistance / denom;</div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno">  781</span>                    Point3D pt = this.VirtualSource + d * reverseDir;</div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno">  782</span> </div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno">  783</span>                    <span class="keywordtype">double</span> maxD = (point - pt).Modulus;</div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno">  784</span>                    NormalizedVector3D reverseDirNorm = <span class="keyword">new</span> NormalizedVector3D(reverseDir.X / maxD, reverseDir.Y / maxD, reverseDir.Z / maxD, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno">  785</span> </div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno">  786</span>                    <span class="keywordtype">bool</span> found = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno">  787</span> </div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno">  788</span>                    <span class="keywordflow">foreach</span> (Triangle3DElement triangle <span class="keywordflow">in</span> shadowingTriangles)</div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno">  789</span>                    {</div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno">  790</span>                        Point3D? projected = triangle.ProjectOnThisPlane(point, reverseDirNorm, <span class="keyword">true</span>, maxD);</div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno">  791</span> </div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno">  792</span>                        <span class="keywordflow">if</span> (projected != <span class="keyword">null</span> &amp;&amp; Intersections3D.PointInTriangle(projected.Value, triangle.Point1, triangle.Point2, triangle.Point3))</div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno">  793</span>                        {</div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno">  794</span>                            totalObstruction += 1;</div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno">  795</span>                            sampleCount++;</div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno">  796</span>                            found = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno">  797</span>                            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno">  798</span>                        }</div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno">  799</span>                    }</div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno">  800</span> </div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno">  801</span>                    <span class="keywordflow">if</span> (!found)</div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno">  802</span>                    {</div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno">  803</span>                        <span class="comment">//totalObstruction += 0;</span></div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno">  804</span>                        sampleCount++;</div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno">  805</span>                    }</div>
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno">  806</span>                }</div>
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno">  807</span>            }</div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno">  808</span> </div>
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno">  809</span> </div>
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno">  810</span>            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; ShadowSamplingPoints.Length; i++)</div>
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno">  811</span>            {</div>
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno">  812</span>                Vector3D reverseDir = ShadowSamplingPoints[i] - point;</div>
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno">  813</span> </div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno">  814</span>                <span class="keywordtype">double</span> maxD = reverseDir.Modulus;</div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno">  815</span>                NormalizedVector3D reverseDirNorm = <span class="keyword">new</span> NormalizedVector3D(reverseDir.X / maxD, reverseDir.Y / maxD, reverseDir.Z / maxD, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno">  816</span> </div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno">  817</span>                <span class="keywordtype">bool</span> found = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno">  818</span> </div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno">  819</span>                <span class="keywordflow">foreach</span> (Triangle3DElement triangle <span class="keywordflow">in</span> shadowingTriangles)</div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno">  820</span>                {</div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno">  821</span>                    Point3D? projected = triangle.ProjectOnThisPlane(point, reverseDirNorm, <span class="keyword">true</span>, maxD);</div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno">  822</span> </div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno">  823</span>                    <span class="keywordflow">if</span> (projected != <span class="keyword">null</span> &amp;&amp; Intersections3D.PointInTriangle(projected.Value, triangle.Point1, triangle.Point2, triangle.Point3))</div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno">  824</span>                    {</div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno">  825</span>                        totalObstruction += 1;</div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno">  826</span>                        sampleCount++;</div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno">  827</span>                        found = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno">  828</span>                        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno">  829</span>                    }</div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno">  830</span>                }</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno">  831</span> </div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno">  832</span>                <span class="keywordflow">if</span> (!found)</div>
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno">  833</span>                {</div>
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno">  834</span>                    <span class="comment">//totalObstruction += 0;</span></div>
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno">  835</span>                    sampleCount++;</div>
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno">  836</span>                }</div>
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno">  837</span>            }</div>
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno">  838</span> </div>
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno">  839</span>            <span class="keywordflow">return</span> totalObstruction / sampleCount;</div>
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno">  840</span>        }</div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno">  841</span>    }</div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno">  842</span>}</div>
<div class="ttc" id="aclass_vect_sharp_1_1_graphics_path_html"><div class="ttname"><a href="class_vect_sharp_1_1_graphics_path.html">VectSharp.GraphicsPath</a></div><div class="ttdoc">Represents a graphics path that can be filled or stroked.</div><div class="ttdef"><b>Definition:</b> <a href="_graphics_path_8cs_source.html#l00028">GraphicsPath.cs:29</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_graphics_path_html_acab81d6f423c46f488a35179ffb385cf"><div class="ttname"><a href="class_vect_sharp_1_1_graphics_path.html#acab81d6f423c46f488a35179ffb385cf">VectSharp.GraphicsPath.GetPoints</a></div><div class="ttdeci">IEnumerable&lt; List&lt; Point &gt; &gt; GetPoints()</div><div class="ttdoc">Gets a collection of the end points of all the segments in the GraphicsPath, divided by figure.</div><div class="ttdef"><b>Definition:</b> <a href="_graphics_path_8cs_source.html#l02050">GraphicsPath.cs:2050</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_ambient_light_source_html"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html">VectSharp.ThreeD.AmbientLightSource</a></div><div class="ttdoc">Represents a uniform ambien light source.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00091">Lights.cs:92</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_ambient_light_source_html_a23a12015bbe4b922865482a5c8af07b8"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a23a12015bbe4b922865482a5c8af07b8">VectSharp.ThreeD.AmbientLightSource.GetObstruction</a></div><div class="ttdeci">double GetObstruction(Point3D point, IEnumerable&lt; Triangle3DElement &gt; shadowingTriangles)</div><div class="ttdoc">Determines the amount of obstruction of the light that results at point  due to the specified shadowi...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00117">Lights.cs:117</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_ambient_light_source_html_a2824c2751525d5f0d1aa3aa68e82b320"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a2824c2751525d5f0d1aa3aa68e82b320">VectSharp.ThreeD.AmbientLightSource.GetLightAt</a></div><div class="ttdeci">LightIntensity GetLightAt(Point3D point)</div><div class="ttdoc">Computes the light intensity at the specified point, without taking into account any obstructions.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00111">Lights.cs:111</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_ambient_light_source_html_a303b0bca112078486a02e16d3a67788c"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a303b0bca112078486a02e16d3a67788c">VectSharp.ThreeD.AmbientLightSource.Intensity</a></div><div class="ttdeci">double Intensity</div><div class="ttdoc">The intensity of the light.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00096">Lights.cs:96</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_ambient_light_source_html_a3552c7f470179338c20b8116c4133678"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a3552c7f470179338c20b8116c4133678">VectSharp.ThreeD.AmbientLightSource.CastsShadow</a></div><div class="ttdeci">bool CastsShadow</div><div class="ttdoc">Determines whether the light casts a shadow or not.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00099">Lights.cs:99</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_ambient_light_source_html_a87715c36ebb0090500acf61a02e589fe"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_ambient_light_source.html#a87715c36ebb0090500acf61a02e589fe">VectSharp.ThreeD.AmbientLightSource.AmbientLightSource</a></div><div class="ttdeci">AmbientLightSource(double intensity)</div><div class="ttdoc">Creates a new AmbientLightSource instance.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00105">Lights.cs:105</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html">VectSharp.ThreeD.AreaLightSource</a></div><div class="ttdoc">Represents a light source emitting light from a circular area.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00579">Lights.cs:580</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_a21e9c219b36d363fbea41c4b753a99d5"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a21e9c219b36d363fbea41c4b753a99d5">VectSharp.ThreeD.AreaLightSource.SourceDistance</a></div><div class="ttdeci">double SourceDistance</div><div class="ttdoc">The distance between the focal point of the light and the light's Center.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00614">Lights.cs:614</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_a22a61ea4565607cfdc87c05493cba78f"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a22a61ea4565607cfdc87c05493cba78f">VectSharp.ThreeD.AreaLightSource.GetObstruction</a></div><div class="ttdeci">double GetObstruction(Point3D point, IEnumerable&lt; Triangle3DElement &gt; shadowingTriangles)</div><div class="ttdoc">Determines the amount of obstruction of the light that results at point  due to the specified shadowi...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00763">Lights.cs:763</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_a31f4ee050eac024c8a9c46ac9356500e"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a31f4ee050eac024c8a9c46ac9356500e">VectSharp.ThreeD.AreaLightSource.Radius</a></div><div class="ttdeci">double Radius</div><div class="ttdoc">The radius of the light emitting area.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00599">Lights.cs:599</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_a331229e5fe64af0e5efbe38d9a2216da"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a331229e5fe64af0e5efbe38d9a2216da">VectSharp.ThreeD.AreaLightSource.ShadowSamplingPointCount</a></div><div class="ttdeci">int ShadowSamplingPointCount</div><div class="ttdoc">The number of points to use when determining the amount of light that is obstructed at a certain poin...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00629">Lights.cs:629</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_a4aedfa07e5e6c75672f908f252a2c3db"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a4aedfa07e5e6c75672f908f252a2c3db">VectSharp.ThreeD.AreaLightSource.GetLightAt</a></div><div class="ttdeci">LightIntensity GetLightAt(Point3D point)</div><div class="ttdoc">Computes the light intensity at the specified point, without taking into account any obstructions.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00690">Lights.cs:690</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_a6d0c87b2d8955407256c7be041530aca"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a6d0c87b2d8955407256c7be041530aca">VectSharp.ThreeD.AreaLightSource.DistanceAttenuationExponent</a></div><div class="ttdeci">double DistanceAttenuationExponent</div><div class="ttdoc">An exponent determining how fast the light attenuates with increasing distance. Set to 0 to disable d...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00619">Lights.cs:619</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_a9d837e6b1eaf16f2642a0113c61df249"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#a9d837e6b1eaf16f2642a0113c61df249">VectSharp.ThreeD.AreaLightSource.CastsShadow</a></div><div class="ttdeci">bool CastsShadow</div><div class="ttdoc">Determines whether the light casts a shadow or not.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00582">Lights.cs:582</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_aaab65d0328271c7beb9facc3cfbbbb94"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#aaab65d0328271c7beb9facc3cfbbbb94">VectSharp.ThreeD.AreaLightSource.PenumbraAttenuationExponent</a></div><div class="ttdeci">double PenumbraAttenuationExponent</div><div class="ttdoc">An exponent determining how fast the light attenuates between the light-emitting area radius and the ...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00624">Lights.cs:624</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_ac6733ad7ade0c156002bfb567e69749b"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ac6733ad7ade0c156002bfb567e69749b">VectSharp.ThreeD.AreaLightSource.PenumbraRadius</a></div><div class="ttdeci">double PenumbraRadius</div><div class="ttdoc">The radius of the penumbra area.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00604">Lights.cs:604</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_ad4a9522a93b10213775b86fb59422fa3"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad4a9522a93b10213775b86fb59422fa3">VectSharp.ThreeD.AreaLightSource.Center</a></div><div class="ttdeci">Point3D Center</div><div class="ttdoc">The centre of the light-emitting area.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00587">Lights.cs:587</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_ad9f8fb2a4ae8cbbe04f288a4e7bb12d2"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ad9f8fb2a4ae8cbbe04f288a4e7bb12d2">VectSharp.ThreeD.AreaLightSource.Direction</a></div><div class="ttdeci">NormalizedVector3D Direction</div><div class="ttdoc">The direction of the light's main axis, i.e. the normal to the plane containing the light-emitting ar...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00594">Lights.cs:594</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_ae605680ea5dbef5a5a61f78948a53b60"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#ae605680ea5dbef5a5a61f78948a53b60">VectSharp.ThreeD.AreaLightSource.AreaLightSource</a></div><div class="ttdeci">AreaLightSource(double intensity, Point3D center, double radius, double penumbraRadius, NormalizedVector3D direction, double sourceDistance, int shadowSamplingPointCount)</div><div class="ttdoc">Creates a new AreaLightSource instance.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00643">Lights.cs:643</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_area_light_source_html_afd1ca1c737318094a94a7b126e35a0fa"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_area_light_source.html#afd1ca1c737318094a94a7b126e35a0fa">VectSharp.ThreeD.AreaLightSource.Intensity</a></div><div class="ttdeci">double Intensity</div><div class="ttdoc">The base intensity of the light.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00609">Lights.cs:609</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html">VectSharp.ThreeD.MaskedLightSource</a></div><div class="ttdoc">Represents a point light source with a stencil in front of it.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00385">Lights.cs:386</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_a01eab9e95538ca7d4a6fa0effbeb89f7"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a01eab9e95538ca7d4a6fa0effbeb89f7">VectSharp.ThreeD.MaskedLightSource.Distance</a></div><div class="ttdeci">double Distance</div><div class="ttdoc">The distance between the light source and the mask plane.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00408">Lights.cs:408</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_a218ec606394abea46897026b94d0337d"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a218ec606394abea46897026b94d0337d">VectSharp.ThreeD.MaskedLightSource.GetLightAt</a></div><div class="ttdeci">LightIntensity GetLightAt(Point3D point)</div><div class="ttdoc">Computes the light intensity at the specified point, without taking into account any obstructions.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00483">Lights.cs:483</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_a4a00095fb8bf52ef53c1ff49b018b408"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a4a00095fb8bf52ef53c1ff49b018b408">VectSharp.ThreeD.MaskedLightSource.DistanceAttenuationExponent</a></div><div class="ttdeci">double DistanceAttenuationExponent</div><div class="ttdoc">An exponent determining how fast the light attenuates with increasing distance. Set to 0 to disable d...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00420">Lights.cs:420</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_a57f148002613d253aa352aedb7bb4ab4"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a57f148002613d253aa352aedb7bb4ab4">VectSharp.ThreeD.MaskedLightSource.AngleAttenuationExponent</a></div><div class="ttdeci">double AngleAttenuationExponent</div><div class="ttdoc">An exponent determining how fast the light attenuates away from the light's axis. Set to 0 to disable...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00425">Lights.cs:425</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_a5885bef79f22807507c38a0cb851ab46"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a5885bef79f22807507c38a0cb851ab46">VectSharp.ThreeD.MaskedLightSource.MaskedLightSource</a></div><div class="ttdeci">MaskedLightSource(double intensity, Point3D position, NormalizedVector3D direction, double distance, GraphicsPath mask, double maskOrientation, double triangulationResolution)</div><div class="ttdoc">Creates a new MaskedLightSource by triangulating the specified GraphicsPath.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00437">Lights.cs:437</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_a5c39aabb3788738f50974651f08504ae"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a5c39aabb3788738f50974651f08504ae">VectSharp.ThreeD.MaskedLightSource.Intensity</a></div><div class="ttdeci">double Intensity</div><div class="ttdoc">The base intensity of the light.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00415">Lights.cs:415</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_a7d691ed7328aeec4de160a180582760f"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#a7d691ed7328aeec4de160a180582760f">VectSharp.ThreeD.MaskedLightSource.Origin</a></div><div class="ttdeci">Point3D Origin</div><div class="ttdoc">The projection of the Position on the mask plane along the light's Direction.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00398">Lights.cs:398</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_abfd20c38eef9066e9f398824c5c75435"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#abfd20c38eef9066e9f398824c5c75435">VectSharp.ThreeD.MaskedLightSource.Direction</a></div><div class="ttdeci">NormalizedVector3D Direction</div><div class="ttdoc">The direction of the light.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00403">Lights.cs:403</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_ac49acc5a6014d6e112d24143e413abc6"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#ac49acc5a6014d6e112d24143e413abc6">VectSharp.ThreeD.MaskedLightSource.GetObstruction</a></div><div class="ttdeci">double GetObstruction(Point3D point, IEnumerable&lt; Triangle3DElement &gt; shadowingTriangles)</div><div class="ttdoc">Determines the amount of obstruction of the light that results at point  due to the specified shadowi...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00556">Lights.cs:556</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_acad9911b7660eacc598c99ddbfc92763"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#acad9911b7660eacc598c99ddbfc92763">VectSharp.ThreeD.MaskedLightSource.CastsShadow</a></div><div class="ttdeci">bool CastsShadow</div><div class="ttdoc">Determines whether the light casts a shadow or not.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00388">Lights.cs:388</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_aec1e3d72451a22404b5c9477af9764b4"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#aec1e3d72451a22404b5c9477af9764b4">VectSharp.ThreeD.MaskedLightSource.Position</a></div><div class="ttdeci">Point3D Position</div><div class="ttdoc">The position of the light source.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00393">Lights.cs:393</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_masked_light_source_html_af8b3a6d75186578b59c97f2eb4cdc7ab"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_masked_light_source.html#af8b3a6d75186578b59c97f2eb4cdc7ab">VectSharp.ThreeD.MaskedLightSource.MaskedLightSource</a></div><div class="ttdeci">MaskedLightSource(double intensity, Point3D position, NormalizedVector3D direction, double distance, IEnumerable&lt; GraphicsPath &gt; triangulatedMask, double maskOrientation)</div><div class="ttdoc">Creates a new MaskedLightSource using the specified triangulatedMask .</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00451">Lights.cs:451</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_parallel_light_source_html"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html">VectSharp.ThreeD.ParallelLightSource</a></div><div class="ttdoc">Represents a parallel light source.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00126">Lights.cs:127</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_parallel_light_source_html_a17e1f40a15d5c7a181497a111d2a009f"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a17e1f40a15d5c7a181497a111d2a009f">VectSharp.ThreeD.ParallelLightSource.GetObstruction</a></div><div class="ttdeci">double GetObstruction(Point3D point, IEnumerable&lt; Triangle3DElement &gt; shadowingTriangles)</div><div class="ttdoc">Determines the amount of obstruction of the light that results at point  due to the specified shadowi...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00165">Lights.cs:165</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_parallel_light_source_html_a30aa92155aabd8fbe79beee55ca9666e"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a30aa92155aabd8fbe79beee55ca9666e">VectSharp.ThreeD.ParallelLightSource.Direction</a></div><div class="ttdeci">NormalizedVector3D Direction</div><div class="ttdoc">The direction along which the light travels.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00136">Lights.cs:136</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_parallel_light_source_html_a387672a63f14618f8603350f4b7185d5"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a387672a63f14618f8603350f4b7185d5">VectSharp.ThreeD.ParallelLightSource.ParallelLightSource</a></div><div class="ttdeci">ParallelLightSource(double intensity, NormalizedVector3D direction)</div><div class="ttdoc">Creates a new ParallelLightSource instance.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00151">Lights.cs:151</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_parallel_light_source_html_a684c87523b406f6b346abc52170bbbb0"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a684c87523b406f6b346abc52170bbbb0">VectSharp.ThreeD.ParallelLightSource.CastsShadow</a></div><div class="ttdeci">bool CastsShadow</div><div class="ttdoc">Determines whether the light casts a shadow or not.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00144">Lights.cs:144</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_parallel_light_source_html_a7039ff7bab7abf1c9c45d46bd76f69fc"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a7039ff7bab7abf1c9c45d46bd76f69fc">VectSharp.ThreeD.ParallelLightSource.GetLightAt</a></div><div class="ttdeci">LightIntensity GetLightAt(Point3D point)</div><div class="ttdoc">Computes the light intensity at the specified point, without taking into account any obstructions.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00159">Lights.cs:159</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_parallel_light_source_html_a929b54d55a24eb4b09c2b3617748a778"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#a929b54d55a24eb4b09c2b3617748a778">VectSharp.ThreeD.ParallelLightSource.ReverseDirection</a></div><div class="ttdeci">NormalizedVector3D ReverseDirection</div><div class="ttdoc">The reverse of Direction.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00141">Lights.cs:141</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_parallel_light_source_html_af199d2a44d119a059c00a5ea7aea33f9"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_parallel_light_source.html#af199d2a44d119a059c00a5ea7aea33f9">VectSharp.ThreeD.ParallelLightSource.Intensity</a></div><div class="ttdeci">double Intensity</div><div class="ttdoc">The intensity of the light.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00131">Lights.cs:131</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_point_light_source_html"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html">VectSharp.ThreeD.PointLightSource</a></div><div class="ttdoc">Represents a point light source.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00184">Lights.cs:185</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_point_light_source_html_a048531f2cff5f4115d5698d9127d1da8"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a048531f2cff5f4115d5698d9127d1da8">VectSharp.ThreeD.PointLightSource.Position</a></div><div class="ttdeci">Point3D Position</div><div class="ttdoc">The position of the light source.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00192">Lights.cs:192</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_point_light_source_html_a38ae6f1e3b8d7f0cf8152866763fa91c"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a38ae6f1e3b8d7f0cf8152866763fa91c">VectSharp.ThreeD.PointLightSource.DistanceAttenuationExponent</a></div><div class="ttdeci">double DistanceAttenuationExponent</div><div class="ttdoc">An exponent determining how fast the light attenuates with increasing distance. Set to 0 to disable d...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00202">Lights.cs:202</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_point_light_source_html_a80aaba2f397f5d85ecf107c2d40eae90"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a80aaba2f397f5d85ecf107c2d40eae90">VectSharp.ThreeD.PointLightSource.GetObstruction</a></div><div class="ttdeci">double GetObstruction(Point3D point, IEnumerable&lt; Triangle3DElement &gt; shadowingTriangles)</div><div class="ttdoc">Determines the amount of obstruction of the light that results at point  due to the specified shadowi...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00233">Lights.cs:233</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_point_light_source_html_a968982805145b8e2900a307f3075bef9"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#a968982805145b8e2900a307f3075bef9">VectSharp.ThreeD.PointLightSource.GetLightAt</a></div><div class="ttdeci">LightIntensity GetLightAt(Point3D point)</div><div class="ttdoc">Computes the light intensity at the specified point, without taking into account any obstructions.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00216">Lights.cs:216</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_point_light_source_html_ac139af852d8e937858d9cae420582c55"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#ac139af852d8e937858d9cae420582c55">VectSharp.ThreeD.PointLightSource.Intensity</a></div><div class="ttdeci">double Intensity</div><div class="ttdoc">The base intensity of the light.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00197">Lights.cs:197</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_point_light_source_html_acca14e2ca33a6cadf6b5f891858e6201"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#acca14e2ca33a6cadf6b5f891858e6201">VectSharp.ThreeD.PointLightSource.PointLightSource</a></div><div class="ttdeci">PointLightSource(double intensity, Point3D position)</div><div class="ttdoc">Creates a new PointLightSource instance.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00209">Lights.cs:209</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_point_light_source_html_af78182d681502fa270130f49f187be64"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_point_light_source.html#af78182d681502fa270130f49f187be64">VectSharp.ThreeD.PointLightSource.CastsShadow</a></div><div class="ttdeci">bool CastsShadow</div><div class="ttdoc">Determines whether the light casts a shadow or not.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00187">Lights.cs:187</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html">VectSharp.ThreeD.SpotlightLightSource</a></div><div class="ttdoc">Represents a conic spotlight.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00256">Lights.cs:257</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_a0a5d22030356f66ddf0fb42fd3b897a5"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a0a5d22030356f66ddf0fb42fd3b897a5">VectSharp.ThreeD.SpotlightLightSource.GetLightAt</a></div><div class="ttdeci">LightIntensity GetLightAt(Point3D point)</div><div class="ttdoc">Computes the light intensity at the specified point, without taking into account any obstructions.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00314">Lights.cs:314</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_a1024954e94a890e5b9de9cfcccf8e129"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a1024954e94a890e5b9de9cfcccf8e129">VectSharp.ThreeD.SpotlightLightSource.GetObstruction</a></div><div class="ttdeci">double GetObstruction(Point3D point, IEnumerable&lt; Triangle3DElement &gt; shadowingTriangles)</div><div class="ttdoc">Determines the amount of obstruction of the light that results at point  due to the specified shadowi...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00362">Lights.cs:362</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_a2288fbc88480ab2baa7ff124db8576e1"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a2288fbc88480ab2baa7ff124db8576e1">VectSharp.ThreeD.SpotlightLightSource.Direction</a></div><div class="ttdeci">NormalizedVector3D Direction</div><div class="ttdoc">The direction of the cone axis.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00269">Lights.cs:269</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_a28ab7a2281f3ab029237101f3d8f4fe3"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a28ab7a2281f3ab029237101f3d8f4fe3">VectSharp.ThreeD.SpotlightLightSource.CutoffAngle</a></div><div class="ttdeci">double CutoffAngle</div><div class="ttdoc">The angular size of the cutoff cone, in radians.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00284">Lights.cs:284</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_a349e0f31e6c690b41e796767346b50b2"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a349e0f31e6c690b41e796767346b50b2">VectSharp.ThreeD.SpotlightLightSource.CastsShadow</a></div><div class="ttdeci">bool CastsShadow</div><div class="ttdoc">Determines whether the light casts a shadow or not.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00259">Lights.cs:259</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_a6991a040e66f4c0798dff7910a29f70f"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a6991a040e66f4c0798dff7910a29f70f">VectSharp.ThreeD.SpotlightLightSource.Position</a></div><div class="ttdeci">Point3D Position</div><div class="ttdoc">The position of the light source.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00264">Lights.cs:264</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_a7464dee539aa7dec6eb3087976ba8231"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a7464dee539aa7dec6eb3087976ba8231">VectSharp.ThreeD.SpotlightLightSource.Intensity</a></div><div class="ttdeci">double Intensity</div><div class="ttdoc">The base intensity of the light.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00274">Lights.cs:274</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_a85b98b5ff591baa6af3c592bde63ce30"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a85b98b5ff591baa6af3c592bde63ce30">VectSharp.ThreeD.SpotlightLightSource.AngleAttenuationExponent</a></div><div class="ttdeci">double AngleAttenuationExponent</div><div class="ttdoc">An exponent determining how fast the light attenuates between the main light cone and the cutoff cone...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00294">Lights.cs:294</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_a872664c90dfe1fe3860d3069d0655698"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#a872664c90dfe1fe3860d3069d0655698">VectSharp.ThreeD.SpotlightLightSource.BeamWidthAngle</a></div><div class="ttdeci">double BeamWidthAngle</div><div class="ttdoc">The angular size of the light cone, in radians.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00279">Lights.cs:279</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_ab0b9e9a52fa5f39e8950abc917783c23"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#ab0b9e9a52fa5f39e8950abc917783c23">VectSharp.ThreeD.SpotlightLightSource.DistanceAttenuationExponent</a></div><div class="ttdeci">double DistanceAttenuationExponent</div><div class="ttdoc">An exponent determining how fast the light attenuates with increasing distance. Set to 0 to disable d...</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00289">Lights.cs:289</a></div></div>
<div class="ttc" id="aclass_vect_sharp_1_1_three_d_1_1_spotlight_light_source_html_aefb4043f24501335aeb3bdf686fa80d2"><div class="ttname"><a href="class_vect_sharp_1_1_three_d_1_1_spotlight_light_source.html#aefb4043f24501335aeb3bdf686fa80d2">VectSharp.ThreeD.SpotlightLightSource.SpotlightLightSource</a></div><div class="ttdeci">SpotlightLightSource(double intensity, Point3D position, NormalizedVector3D direction, double beamWidthAngle, double cutoffAngle)</div><div class="ttdoc">Creates a new SpotlightLightSource instance.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00304">Lights.cs:304</a></div></div>
<div class="ttc" id="ainterface_vect_sharp_1_1_three_d_1_1_i_light_source_html"><div class="ttname"><a href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html">VectSharp.ThreeD.ILightSource</a></div><div class="ttdoc">Represents a light source.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00065">Lights.cs:66</a></div></div>
<div class="ttc" id="ainterface_vect_sharp_1_1_three_d_1_1_i_light_source_html_a084ddbd7d21cf83b7b4eb09b9d3461c8"><div class="ttname"><a href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html#a084ddbd7d21cf83b7b4eb09b9d3461c8">VectSharp.ThreeD.ILightSource.GetObstruction</a></div><div class="ttdeci">double GetObstruction(Point3D point, IEnumerable&lt; Triangle3DElement &gt; shadowingTriangles)</div><div class="ttdoc">Determines the amount of obstruction of the light that results at point  due to the specified shadowi...</div></div>
<div class="ttc" id="ainterface_vect_sharp_1_1_three_d_1_1_i_light_source_html_a407cca0ec0c94de4cfdce86ee137f208"><div class="ttname"><a href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html#a407cca0ec0c94de4cfdce86ee137f208">VectSharp.ThreeD.ILightSource.CastsShadow</a></div><div class="ttdeci">bool CastsShadow</div><div class="ttdoc">Determines whether the light casts a shadow or not.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00077">Lights.cs:77</a></div></div>
<div class="ttc" id="ainterface_vect_sharp_1_1_three_d_1_1_i_light_source_html_a78711e6c0ecdcdd63c60f1b283f5775c"><div class="ttname"><a href="interface_vect_sharp_1_1_three_d_1_1_i_light_source.html#a78711e6c0ecdcdd63c60f1b283f5775c">VectSharp.ThreeD.ILightSource.GetLightAt</a></div><div class="ttdeci">LightIntensity GetLightAt(Point3D point)</div><div class="ttdoc">Computes the light intensity at the specified point, without taking into account any obstructions.</div></div>
<div class="ttc" id="anamespace_vect_sharp_1_1_three_d_html"><div class="ttname"><a href="namespace_vect_sharp_1_1_three_d.html">VectSharp.ThreeD</a></div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00022">Lights.cs:23</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_three_d_1_1_light_intensity_html"><div class="ttname"><a href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html">VectSharp.ThreeD.LightIntensity</a></div><div class="ttdoc">Represents the intensity of a light source at a particular point.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00027">Lights.cs:28</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_three_d_1_1_light_intensity_html_a01c85d1a9a8cee1d44334007f1cdc6ad"><div class="ttname"><a href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a01c85d1a9a8cee1d44334007f1cdc6ad">VectSharp.ThreeD.LightIntensity.Deconstruct</a></div><div class="ttdeci">void Deconstruct(out double intensity, out NormalizedVector3D direction)</div><div class="ttdoc">Deconstructs the struct.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00055">Lights.cs:55</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_three_d_1_1_light_intensity_html_a0a1bd53aaaf8c6982f8865aa15d686b3"><div class="ttname"><a href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a0a1bd53aaaf8c6982f8865aa15d686b3">VectSharp.ThreeD.LightIntensity.Intensity</a></div><div class="ttdeci">double Intensity</div><div class="ttdoc">The intensity of the light.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00032">Lights.cs:32</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_three_d_1_1_light_intensity_html_a48cce97507b2b79070924c4c501c1c03"><div class="ttname"><a href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#a48cce97507b2b79070924c4c501c1c03">VectSharp.ThreeD.LightIntensity.Direction</a></div><div class="ttdeci">NormalizedVector3D Direction</div><div class="ttdoc">The direction towards from which the light comes.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00037">Lights.cs:37</a></div></div>
<div class="ttc" id="astruct_vect_sharp_1_1_three_d_1_1_light_intensity_html_afb9013719f944c104a66ce17cc3f5eab"><div class="ttname"><a href="struct_vect_sharp_1_1_three_d_1_1_light_intensity.html#afb9013719f944c104a66ce17cc3f5eab">VectSharp.ThreeD.LightIntensity.LightIntensity</a></div><div class="ttdeci">LightIntensity(double intensity, NormalizedVector3D direction)</div><div class="ttdoc">Creates a new LightIntensity.</div><div class="ttdef"><b>Definition:</b> <a href="_lights_8cs_source.html#l00044">Lights.cs:44</a></div></div>
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